P. megakarya oogonia, oospore, and antheridium
Photo Gallery
|
P. megakarya oospore
 |
P. pseudosyringae colony morphology on PDA  Colony morphology on PDA at 14 days |
P. cambivora on dead and dying chinquapin  Dead and dying chinquapin infected with P. cambivora |
|
P. kernoviae colony morphology  From Mycol.Res 109, 853-859; growth on CA under different conditions |
Comparative gametangial morphology of Phytophthora Clade 5 species  Comparative gametangial morphology of Phytophthora Clade 5 species, with SEM (top) and light microscopy (bottom). P. heveae has smooth walled oogonia with funnel-shaped, amphigynous antheridia. P. agathidicida has mildly stipulate oogonia with globose amphigynous antheridia. P.cocois has mildly bullate oogonia with reflexed amphigynous antheridia. P. castaneae has coarsely bullate oogonium with rugose protuberances and narrow amphigynous antheridia (Weir et al. 2015). |
Dying Port Orford Cedar trees  |
|
Sporangia showing ovoid and ovoid to spherical shape and papillate condition sporangia  Sporangia showing ovoid and ovoid to spherical shape and papillate condition |
P. nemorosa colony morphology on PDA  Colony morphology on PDA at 14 days |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
|
P. chlamydospora sporangium  Phytophthora chlamydospora sporangium in water. Bar is 20µm. |
P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note the reddish appearance of affected trees prior to needle drop. |
P. kernoviae colony morphology on CMA PARPH  Organism grown on CMA PARP[H]; Plant disease 70, 1038-1043 |